Home / 2,787,810,373.11-4,182,481,786.05-822,663,655.32

Finding the Fourth Proportional to 2,787,810,373.11, 4,182,481,786.05 and 822,663,655.32

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Solution

The fourth proportional to 2,787,810,373.11, 4,182,481,786.05 and 822,663,655.32 is: 1,234,221,591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,810,373.11 : 4,182,481,786.05 = 822,663,655.32 : x
  2. Step 2: Convert to fraction form
    2,787,810,373.11/4,182,481,786.05 = 822,663,655.32/x
  3. Step 3: Cross multiply
    2,787,810,373.11x = 4,182,481,786.05 × 822,663,655.32
  4. Step 4: Simplify right side
    2,787,810,373.11x = 3,440,775,754,421,215,744
  5. Step 5: Solve for x
    x = 3,440,775,754,421,215,744/2,787,810,373.11
  6. Step 6: Final answer
    x = 1,234,221,591.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.